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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/init.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/drivers/pinctrl.h>
#include <ap_power/ap_power.h>
#include "charger.h"
#include "driver/charger/rt9490.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#define I2C3_NODE DT_NODELABEL(i2c3)
PINCTRL_DT_DEFINE(I2C3_NODE);
static void board_i2c3_ctrl(bool enable)
{
if (DEVICE_DT_GET(
DT_GPIO_CTLR_BY_IDX(DT_NODELABEL(i2c3), scl_gpios, 0)) ==
DEVICE_DT_GET(DT_NODELABEL(gpiof))) {
const struct pinctrl_dev_config *pcfg =
PINCTRL_DT_DEV_CONFIG_GET(I2C3_NODE);
if (enable) {
pinctrl_apply_state(pcfg, PINCTRL_STATE_DEFAULT);
} else {
pinctrl_apply_state(pcfg, PINCTRL_STATE_SLEEP);
}
}
}
static void board_enable_i2c3(void)
{
board_i2c3_ctrl(1);
}
DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, board_enable_i2c3, HOOK_PRIO_FIRST);
static void board_disable_i2c3(void)
{
board_i2c3_ctrl(0);
}
DECLARE_HOOK(HOOK_CHIPSET_HARD_OFF, board_disable_i2c3, HOOK_PRIO_LAST);
static void board_suspend_handler(struct ap_power_ev_callback *cb,
struct ap_power_ev_data data)
{
int value;
switch (data.event) {
default:
return;
case AP_POWER_RESUME:
value = 1;
break;
case AP_POWER_SUSPEND:
value = 0;
break;
}
gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_en_5v_usm), value);
}
static int install_suspend_handler(const struct device *unused)
{
static struct ap_power_ev_callback cb;
/*
* Add a callback for suspend/resume.
*/
ap_power_ev_init_callback(&cb, board_suspend_handler,
AP_POWER_RESUME | AP_POWER_SUSPEND);
ap_power_ev_add_callback(&cb);
return 0;
}
SYS_INIT(install_suspend_handler, APPLICATION, 1);
static void board_hook_ac_change(void)
{
if (system_get_board_version() >= 1) {
rt9490_enable_adc(CHARGER_SOLO, extpower_is_present());
}
}
DECLARE_HOOK(HOOK_AC_CHANGE, board_hook_ac_change, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_INIT, board_hook_ac_change, HOOK_PRIO_LAST);
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